<template>
  <!-- 等数据来啦之后再显示 -->
  <view v-if="goods_info.goods_name" class="goods-detail-container ">
    <swiper :circular="true" :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
      <swiper-item v-for="(item,i) in goods_info.pics  " :key="i">
        <image :src="item.pics_big" @click="preview(i)"></image>
      </swiper-item>

    </swiper>
    <!-- 商品信息区 -->
    <view class="goods-info-box">
      <view class="price">
        {{goods_info.goods_price}}
      </view>
      <view class="goods-info-body">
        <view class="goods-name">
          {{goods_info.goods_name}}

        </view>
        <view class="favi">
          <uni-icons type="star" size="18"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <view class="yf">
        快递：免运费
      </view>
    </view>
    <!-- 渲染html标签 -->
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <!-- 商品导航区 -->
    <view class="goods_nav">
    			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick"
    				@buttonClick="buttonClick" />
    </view>
  </view>
</template>

<script>
  import {mapState,mapGetters,mapMutations} from 'vuex'
  export default {
      
    computed:{
      ...mapState('m_cart',['']),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
     total:{
       handler(newVal){
         const findResult =this.options.find((x)=>x.text==='购物车')
         if(findResult){
           findResult.info=newVal
         }
       },
       immediate:true
     }
    },
    data() {
      return {
        goods_info: {},
         options: [{
              icon: 'shop',
              text: '店铺'
            }, {
              icon: 'cart',
              text: '购物车',
              info: 0
            }],
            // 右侧按钮组的配置对象
            buttonGroup: [{
                text: '加入购物车',
                backgroundColor: '#ff0000',
                color: '#fff'
              },
              {
                text: '立即购买',
                backgroundColor: '#ffa200',
                color: '#fff'
              }
            ]
      };
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods: {
      ...mapMutations('m_cart',['addToCart']),
      async getGoodsDetail(goods_id) {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/detail', {
          goods_id
        })
        if (res.meta.status !== 200) return uni.$showMsg()
        // 处理图片 空白
           res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g, 'jpg')
        this.goods_info = res.message
      },
      preview(i) {
        uni.previewImage({
          current: i,
          urls: this.goods_info.pics.map(x => x.pics_big)
        })
      },
      onClick(e){
        // console.log(e);
        if(e.content.text==='购物车'){
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
      },
      buttonClick(e){
        // console.log(e);
        if(e.content.text === '加入购物车'){
          const goods={
            goods_id:this.goods_info.goods_id,
            goods_name:this.goods_info.goods_name,
            goods_price:this.goods_info.goods_price,
            goods_count:1,
            goods_small_logo:this.goods_info.goods_small_logo,
            goods_state:true//商品选中状态
          }
          this.addToCart(goods)
        }
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 750rpx;

    image {
      height: 100%;
      width: 100%;
    }
  }

  .goods-info-box {
    padding: 10px;
    padding-right: 0;

    .price {
      padding: 5px;
      color: #c00000;
    }

    .goods-info-body {
      padding: 5px;
      display: flex;

      .goods-name {
        font-size: 12px
      }

      .favi {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-size: 12px;
        width: 200rpx;
         color: gray;
      }
    }

    .yf {
      padding: 5px;
      color: gray;
      font-size: 12px
    }
  }
  
  .goods-detail-container {
    padding-bottom: 50px;
  }
  .goods_nav{
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
  }
</style>
